diff options
Diffstat (limited to 'pixman/test/utils.c')
| -rw-r--r-- | pixman/test/utils.c | 25 |
1 files changed, 8 insertions, 17 deletions
diff --git a/pixman/test/utils.c b/pixman/test/utils.c index c887a6db9..66c8dcb89 100644 --- a/pixman/test/utils.c +++ b/pixman/test/utils.c @@ -27,10 +27,11 @@ #include <png.h> #endif -/* Random number seed +/* Random number generator state */ -uint32_t lcg_seed; +prng_t prng_state_data; +prng_t *prng_state; /*----------------------------------------------------------------------------*\ * CRC-32 version 2.0.0 by Craig Bruce, 2006-04-29. @@ -237,14 +238,6 @@ compute_crc32_for_image (uint32_t crc32, return crc32; } -pixman_bool_t -is_little_endian (void) -{ - volatile uint16_t endian_check_var = 0x1234; - - return (*(volatile uint8_t *)&endian_check_var == 0x34); -} - /* perform endian conversion of pixel data */ void @@ -431,13 +424,11 @@ uint8_t * make_random_bytes (int n_bytes) { uint8_t *bytes = fence_malloc (n_bytes); - int i; if (!bytes) return NULL; - for (i = 0; i < n_bytes; ++i) - bytes[i] = lcg_rand () & 0xff; + prng_randmemset (bytes, n_bytes, 0); return bytes; } @@ -689,9 +680,9 @@ get_random_seed (void) { union { double d; uint32_t u32; } t; t.d = gettime(); - lcg_srand (t.u32); + prng_srand (t.u32); - return lcg_rand_u32 (); + return prng_rand (); } #ifdef HAVE_SIGACTION @@ -785,7 +776,7 @@ initialize_palette (pixman_indexed_t *palette, uint32_t depth, int is_rgb) uint32_t mask = (1 << depth) - 1; for (i = 0; i < 32768; ++i) - palette->ent[i] = lcg_rand() & mask; + palette->ent[i] = prng_rand() & mask; memset (palette->rgba, 0, sizeof (palette->rgba)); @@ -805,7 +796,7 @@ initialize_palette (pixman_indexed_t *palette, uint32_t depth, int is_rgb) { uint32_t old_idx; - rgba24 = lcg_rand(); + rgba24 = prng_rand(); i15 = CONVERT_15 (rgba24, is_rgb); old_idx = palette->ent[i15]; |